The IASC would like to welcome you as member! Through your membership, you will not only support research on commons issues worldwide, but you will also be able to connect with commons experts (practitioners and academics) from all over the world.

Individual Membership

As an individual member of the IASC, you will enjoy:

Sign up as individual member

Institutional Membership

Are you member of representative of an organization? Then you may consider to sign up your organization as organizational or supporting member of the IASC.

Through an organizational or supporting membership, you will enjoy:

  • individual membership benefits (see above) for up to 3 (organizational membership) or even up to 10 (supporting membership) representatives of your organization
  • free announcement of your news, publications, and events via IASC's social media
  • your logo and a description of your organization on IASC's website

Sign up as institutional member

Membership fees

The IASC strives for accessible membership for everyone and therefore uses an income-dependent fee system.
All IASC memberships are offered as 2-year membership or longer by default; this not only saves you the trouble of having to renew membership frequently, but also offers you a 10% deduction per annum on the regular annual fee. If you would however prefer a single-year membership, please use the form on
All memberships follow the US fiscal year (July 1-June 30); subscriptions after May 1 of each year run until June 30 of the next year.
Payments are preferrably managed via creditcard or PayPal, managed via Stripe.
For additional membership and payment options, please contact

Category2-year membership3-year membership4-year membership
Annual income USD 19,999 or less
Annual fee USD 30
USD 57USD 84USD 108
Annual income USD 20,000 - 49,999
Annual fee USD 75
USD 135USD 202,50USD 270
Annual income USD 50,000 - 79,999
Annual fee USD 120
USD 216USD 324USD 432
Annual income USD 80,000 and over
Annual fee USD 175
USD 315USD 472,50USD 630

All memberships are subject to the Terms and Conditions of IASC Membership, the bylaws of the IASC, and applicable law.